El Niño, La Niña, and normal sea surface tempuratures

Visualization of El Niño ocean surface temperature conditions

Graph showing the change in the Pacific Ocean's surface temperatureover the last 50 years

Graph and the map showing the Pacific Ocean warming and cooling in the mid 1980s

How El Niño affects the atmosphere

David Adamec tells how satellite data help us understand El Niños

NASA scientist David Adamec

NOAA scientists deploy buoys to measure deeper ocean temperatures

Signs of the end of an El Niño

Thicker tree rings indicate an El Niño from the past

Images of Cerro Cabezón prior to and during and El Niño event

Ancient hillside storehouses at Ollantay Tampo

Rhoda Island in Cairo

The Nilometer on Rhoda Island in Cairo

Thick layer of rocks deposited during an El Niño-induced flood

Beads made by ancient Peruvians from Spondylus shells

Spondylus shells

Burial vase from the Marajoara Phase, AD 500-1000

Pottery excavated from sites in the Amazon Basin

Typical weather changes in the United States during an El Niño and during a La Niña

Reconstructed map showing warmer ocean surface temperatures at the beginning of the 20th century

Sir Gilbert Walker

Fires rage in Indonesia before the 1997 El Niño

Smoke from fires in Indonesia

Sea surface temperature conditions during El Niño and La Niña events

Navajo painting

Deer mouse

Hurricane Hugo

Locust swarm

Video showing how El Niño and La Niña impact hurricanes

World locations of coral reefs

Bleached coral

Fish-eating birds and sea mammals during an El Niño

Carole Baldwin exploring the Galápagos

Iguanas

Ground finch

Workers in the 1860s excavate a “mountain” of guano

2000-year old ceramic pot depicting rocks covered by guano

White fairy tern chick

A male great frigate sitting next to the bones of a frigate that died during an El Niño

Terry Erwin and his team collect insects

Rainforest beetle

Current sea surface temperatures of the Pacific Ocean

Sea surface temperatures of the Pacific Ocean during an El Niño and La Niña event